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MIC2954-02WS-TR

Name: MIC2954-02WS-TR
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 250MA SOT-223-3

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資料表 MIC2954-02WS-TR DataSheet
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規格

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	30V
Voltage - Output (Min/Fixed)	5V
Voltage Dropout (Max)	0.6V @ 250mA
Current - Output	250mA
Current - Quiescent (Iq)	300 µA
Protection Features	Load Dump, Over Current, Over Temperature, Reverse Polarity, UV POR
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA
Supplier Device Package	SOT-223-3
Base Product Number	MIC2954
Current - Supply (Max)	12 mA

概述

Description

The MIC2954-02WS-TR is a low-dropout (LDO) voltage regulator designed for providing a stable output voltage with high current capabilities. It features an output voltage of 2.5V, which is fixed, and can handle up to 1A of output current. This device is particularly noted for its low dropout voltage, typically around 0.4V at full load, making it efficient for battery-powered applications.
The MIC2954-02WS-TR includes built-in protection features such as overcurrent protection and thermal shutdown, ensuring reliable operation under various conditions. It operates over a wide input voltage range, typically from 3V to 25V, making it versatile for different power supply designs.
The package type is a surface-mount, allowing for space-efficient designs in modern electronics. Applications for the MIC2954-02WS-TR include portable devices, consumer electronics, and any systems requiring a regulated 2.5V power supply with low power loss and high reliability.

Features

The MIC2954-02WS-TR is a low-dropout (LDO) voltage regulator designed for efficient power management. Key features include:
1. Output Voltage: Fixed output of 2.0V with a tolerance of ±2%.
2. Low Dropout Voltage: Typically 30mV at 100mA load, enhancing efficiency in battery-operated devices.
3. High Output Current: Capable of delivering up to 1.0A, making it suitable for a variety of applications.
4. Low Quiescent Current: Approximately 90µA, which helps to prolong battery life.
5. Thermal Protection: Integrated thermal shutdown ensures safe operation under high load conditions.
6. Short-Circuit Protection: Provides added safety by limiting output current.
7. Wide Operating Temperature Range: Operates effectively from -40°C to +125°C.
8. Compact Package: Available in a surface-mount 5-lead SOT-23 package, facilitating easy integration into designs.
This combination of features makes the MIC2954-02WS-TR ideal for portable electronics and other applications requiring reliable voltage regulation.

Package

The MIC2954-02WS-TR comes in a TO-220 package type. This package is designed for efficient thermal management and can handle higher power levels, making it suitable for various applications.

Pinout

The MIC2954-02WS-TR is a low-dropout voltage regulator (LDO) with a pin count of 5. The functions of its pins are as follows:
1. Input (Vin) - This pin receives the input voltage.
2. Ground (GND) - This pin serves as the ground reference for the device.
3. Output (Vout) - This pin provides the regulated output voltage.
4. Adjust (Vadj) - This pin is used to set the output voltage with an external resistor divider; in fixed configurations, it is typically connected directly or through a resistor.
5. Enable (EN) - This pin is used to enable or disable the regulator. When high, the regulator is active; when low, it goes into a low-power shutdown mode.
The MIC2954-02WS-TR is known for its low dropout voltage and is suitable for various power management applications.

Manufacturer

The MIC2954-02WS-TR is manufactured by Microchip Technology Inc., a leading company in the semiconductor industry. Microchip specializes in the design and production of microcontrollers, analog semiconductors, and various embedded control solutions. Founded in 1989, the company serves a broad range of markets, including automotive, industrial, consumer, and communications. Microchip is known for its commitment to innovation and high-quality products, offering a wide range of integrated circuits and development tools to support engineers in creating advanced electronic systems.

Application

The MIC2954-02WS-TR is a low-dropout (LDO) voltage regulator, commonly used in applications such as power management for portable devices, consumer electronics, and battery-powered equipment. It provides stable output voltage with low noise, making it suitable for sensitive applications like RF circuits, analog systems, and microcontrollers. Additionally, it is utilized in automotive electronics and industrial control systems for reliable power supply regulation.

Equivalent

Equivalent products to the MIC2954-02WS-TR include the LM1117-2.5, LT1085-2.5, and TPS7A47. These alternatives also provide low dropout voltage regulation and similar output voltage specifications. However, ensure to check specific electrical characteristics, package types, and thermal performance for compatibility in your application.